DE69503101D1 - Controlled optical amplifier with optical circulator - Google Patents

Controlled optical amplifier with optical circulator

Info

Publication number
DE69503101D1
DE69503101D1 DE69503101T DE69503101T DE69503101D1 DE 69503101 D1 DE69503101 D1 DE 69503101D1 DE 69503101 T DE69503101 T DE 69503101T DE 69503101 T DE69503101 T DE 69503101T DE 69503101 D1 DE69503101 D1 DE 69503101D1
Authority
DE
Germany
Prior art keywords
optical
controlled
circulator
amplifier
optical amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69503101T
Other languages
German (de)
Other versions
DE69503101T2 (en
Inventor
Serge Artigaud
Jean Hervo
Pierre Sansonetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Application granted granted Critical
Publication of DE69503101D1 publication Critical patent/DE69503101D1/en
Publication of DE69503101T2 publication Critical patent/DE69503101T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • H01S3/13013—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers by controlling the optical pumping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S2301/00—Functional characteristics
    • H01S2301/04—Gain spectral shaping, flattening
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0078—Frequency filtering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
    • H01S3/2333—Double-pass amplifiers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
DE69503101T 1994-09-29 1995-09-27 Controlled optical amplifier with optical circulator Expired - Fee Related DE69503101T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9411639A FR2725283B1 (en) 1994-09-29 1994-09-29 REGULATED OPTICAL AMPLIFIER WITH OPTICAL CIRCULATOR

Publications (2)

Publication Number Publication Date
DE69503101D1 true DE69503101D1 (en) 1998-07-30
DE69503101T2 DE69503101T2 (en) 1998-10-29

Family

ID=9467406

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69503101T Expired - Fee Related DE69503101T2 (en) 1994-09-29 1995-09-27 Controlled optical amplifier with optical circulator

Country Status (5)

Country Link
US (1) US5636054A (en)
EP (1) EP0704945B1 (en)
CA (1) CA2159426A1 (en)
DE (1) DE69503101T2 (en)
FR (1) FR2725283B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725283B1 (en) * 1994-09-29 1996-11-22 Alcatel Nv REGULATED OPTICAL AMPLIFIER WITH OPTICAL CIRCULATOR
JP2871547B2 (en) * 1995-09-08 1999-03-17 日本電気株式会社 Optical spectrum analyzer apparatus and optical amplifier control method
JP3829345B2 (en) * 1995-09-08 2006-10-04 住友電気工業株式会社 Optical fiber amplifier
JP3730299B2 (en) * 1996-02-07 2005-12-21 富士通株式会社 Optical equalization amplifier and optical equalization amplification method
JP2962248B2 (en) * 1996-11-01 1999-10-12 日本電気株式会社 Optical amplifier for wavelength multiplexed optical transmission
JPH10173597A (en) * 1996-12-06 1998-06-26 Nec Corp Optical equalizer
US6151157A (en) * 1997-06-30 2000-11-21 Uniphase Telecommunications Products, Inc. Dynamic optical amplifier
JPH11233865A (en) * 1998-02-18 1999-08-27 Nec Corp Light amplifier
US6204958B1 (en) * 1998-10-08 2001-03-20 Ciena Corporation Optical amplifier having a substantially flat gain spectrum
JP2000150997A (en) * 1998-11-13 2000-05-30 Nec Corp Optical amplifier, optical transmission device equipped therewith and with fracture point detecting function and bidirectional optical transmission device
US6377392B1 (en) * 1999-02-26 2002-04-23 Ciena Corporation Optical amplifier
US6961522B1 (en) 2000-11-22 2005-11-01 Cisco Technology, Inc. Automatic raman gain and tilt control for ultra-long-distance dense WDM optical communication system
US6941079B1 (en) 2001-05-24 2005-09-06 Cisco Technology, Inc. Optical demultiplexer with multi-channel power control and tilt compensation
GB2379327A (en) * 2001-08-30 2003-03-05 Marconi Caswell Ltd Amplifier
KR100421135B1 (en) * 2002-03-11 2004-03-04 삼성전자주식회사 Wide band optical fiber amplifier
US20080018988A1 (en) * 2006-07-24 2008-01-24 Andrew Davidson Light source with tailored output spectrum

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2230912B (en) * 1989-04-22 1993-10-20 Stc Plc Optical amplifier gain control
JPH05102583A (en) * 1991-10-04 1993-04-23 Sumitomo Electric Ind Ltd Optical fiber amplifier
GB2265751B (en) * 1992-03-23 1995-12-20 Univ Southampton Optical amplifier with automatic self adjusting gain spectrum
US5239607A (en) * 1992-06-23 1993-08-24 Bell Communications Research, Inc. Optical fiber amplifier with flattened gain
US5283686A (en) * 1992-07-27 1994-02-01 General Instrument Corporation, Jerrold Communications Optical systems with grating reflector
US5579143A (en) * 1993-06-04 1996-11-26 Ciena Corporation Optical system with tunable in-fiber gratings
JP3012760B2 (en) * 1993-10-25 2000-02-28 三菱電機株式会社 Optical amplifier, distribution system, local area network, and gain control method
FR2718588A1 (en) * 1994-04-07 1995-10-13 Cit Alcatel Wavelength gain equaliser e.g. for optical amplifier
GB2289978B (en) * 1994-06-02 1997-11-26 Northern Telecom Ltd Optical waveguide amplifiers
FR2725283B1 (en) * 1994-09-29 1996-11-22 Alcatel Nv REGULATED OPTICAL AMPLIFIER WITH OPTICAL CIRCULATOR

Also Published As

Publication number Publication date
US5636054A (en) 1997-06-03
FR2725283A1 (en) 1996-04-05
DE69503101T2 (en) 1998-10-29
EP0704945B1 (en) 1998-06-24
EP0704945A1 (en) 1996-04-03
CA2159426A1 (en) 1996-03-30
FR2725283B1 (en) 1996-11-22

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL, PARIS, FR

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee